Pi Pico macro keyboard

1#include <USBKeyboard.h>
2
3USBKeyboard keyb;
4int encA = 14;
5int  encB = 15;
6int btn = 16;
7
8void setup() {
9  pinMode(encA, INPUT); 
10  pinMode(encB, INPUT);
11  pinMode(btn, INPUT);
12  // pinMode(LED_BUILTIN, OUTPUT);
13}
14
15int  main(void) {
16  while(1) {
17
18    if(digitalRead(encA) == HIGH || digitalRead(encB)  == HIGH) {
19      digitalWrite(LED_BUILTIN, HIGH);
20      delay(2);
21      if(digitalRead(encA)  == HIGH) {
22        keyb.media_control(KEY_VOLUME_UP);
23      }
24      else  if(digitalRead(encB) == HIGH) {
25        keyb.media_control(KEY_VOLUME_DOWN);
26      }
27      else {}
28      while(digitalRead(encA) == HIGH || digitalRead(encB)  == HIGH) {
29        delay(20);
30      }
31      digitalWrite(LED_BUILTIN, LOW);
32    }
33
34    else if(digitalRead(btn) == HIGH) {
35      digitalWrite(LED_BUILTIN,  HIGH);
36      delay(5);
37      keyb.media_control(KEY_PLAY_PAUSE);
38      while(digitalRead(btn)  == HIGH) {
39        delay(50);
40      }
41      digitalWrite(LED_BUILTIN, LOW);
42    }
43
44    // keyb.printf("Hello World\
\
45");
46    // keyb.media_control(KEY_VOLUME_DOWN);
47    // keyb.key_code('d', KEY_LOGO);
48    // keyb.key_code('q', 101); // ALT 100;  SHIFT 10; CTRL 1; CTRL+SHIFT 11 
49    // keyb.key_code('d');
50    // keyb.key_code(0,  KEY_LOGO);
51    // keyb._putc(KEY_F1);
52    // keyb._putc('d');
53  }
54}